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https://passt.top/passt
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183bedf478
...instead of unconditionally trying to enable both: mmap2() is the 32-bit ARM variant for mmap() (and perhaps for other architectures), bot if mmap() is available, valgrind will use that one. This avoids seccomp.sh warning us about missing mmap2() if mmap() is present, and is consistent with what we do in vhost-user code. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
192 lines
6.8 KiB
Makefile
192 lines
6.8 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# Copyright (c) 2021 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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VERSION ?= $(shell git describe --tags HEAD 2>/dev/null || echo "unknown\ version")
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# Does the target platform allow IPv4 connections to be handled via
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# the IPv6 socket API? (Linux does)
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DUAL_STACK_SOCKETS := 1
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TARGET ?= $(shell $(CC) -dumpmachine)
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$(if $(TARGET),,$(error Failed to get target architecture))
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# Get 'uname -m'-like architecture description for target
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TARGET_ARCH := $(firstword $(subst -, ,$(TARGET)))
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TARGET_ARCH := $(patsubst [:upper:],[:lower:],$(TARGET_ARCH))
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TARGET_ARCH := $(subst powerpc,ppc,$(TARGET_ARCH))
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# On some systems enabling optimization also enables source fortification,
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# automagically. Do not override it.
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FORTIFY_FLAG :=
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ifeq ($(shell $(CC) -O2 -dM -E - < /dev/null 2>&1 | grep ' _FORTIFY_SOURCE ' > /dev/null; echo $$?),1)
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FORTIFY_FLAG := -D_FORTIFY_SOURCE=2
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endif
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FLAGS := -Wall -Wextra -Wno-format-zero-length
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FLAGS += -pedantic -std=c11 -D_XOPEN_SOURCE=700 -D_GNU_SOURCE
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FLAGS += $(FORTIFY_FLAG) -O2 -pie -fPIE
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FLAGS += -DPAGE_SIZE=$(shell getconf PAGE_SIZE)
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FLAGS += -DVERSION=\"$(VERSION)\"
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FLAGS += -DDUAL_STACK_SOCKETS=$(DUAL_STACK_SOCKETS)
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PASST_SRCS = arch.c arp.c checksum.c conf.c dhcp.c dhcpv6.c flow.c fwd.c \
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icmp.c igmp.c inany.c iov.c ip.c isolation.c lineread.c log.c mld.c \
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ndp.c netlink.c migrate.c packet.c passt.c pasta.c pcap.c pif.c \
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repair.c tap.c tcp.c tcp_buf.c tcp_splice.c tcp_vu.c udp.c udp_flow.c \
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udp_vu.c util.c vhost_user.c virtio.c vu_common.c
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QRAP_SRCS = qrap.c
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PASST_REPAIR_SRCS = passt-repair.c
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SRCS = $(PASST_SRCS) $(QRAP_SRCS) $(PASST_REPAIR_SRCS)
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MANPAGES = passt.1 pasta.1 qrap.1 passt-repair.1
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PASST_HEADERS = arch.h arp.h checksum.h conf.h dhcp.h dhcpv6.h flow.h fwd.h \
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flow_table.h icmp.h icmp_flow.h inany.h iov.h ip.h isolation.h \
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lineread.h log.h migrate.h ndp.h netlink.h packet.h passt.h pasta.h \
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pcap.h pif.h repair.h siphash.h tap.h tcp.h tcp_buf.h tcp_conn.h \
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tcp_internal.h tcp_splice.h tcp_vu.h udp.h udp_flow.h udp_internal.h \
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udp_vu.h util.h vhost_user.h virtio.h vu_common.h
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HEADERS = $(PASST_HEADERS) seccomp.h
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C := \#include <sys/random.h>\nint main(){int a=getrandom(0, 0, 0);}
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ifeq ($(shell printf "$(C)" | $(CC) -S -xc - -o - >/dev/null 2>&1; echo $$?),0)
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FLAGS += -DHAS_GETRANDOM
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endif
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ifeq ($(shell :|$(CC) -fstack-protector-strong -S -xc - -o - >/dev/null 2>&1; echo $$?),0)
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FLAGS += -fstack-protector-strong
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endif
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prefix ?= /usr/local
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exec_prefix ?= $(prefix)
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bindir ?= $(exec_prefix)/bin
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datarootdir ?= $(prefix)/share
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docdir ?= $(datarootdir)/doc/passt
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mandir ?= $(datarootdir)/man
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man1dir ?= $(mandir)/man1
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ifeq ($(TARGET_ARCH),x86_64)
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BIN := passt passt.avx2 pasta pasta.avx2 qrap passt-repair
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else
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BIN := passt pasta qrap passt-repair
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endif
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all: $(BIN) $(MANPAGES) docs
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static: FLAGS += -static -DGLIBC_NO_STATIC_NSS
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static: clean all
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seccomp.h: seccomp.sh $(PASST_SRCS) $(PASST_HEADERS)
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@ EXTRA_SYSCALLS="$(EXTRA_SYSCALLS)" ARCH="$(TARGET_ARCH)" CC="$(CC)" ./seccomp.sh seccomp.h $(PASST_SRCS) $(PASST_HEADERS)
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seccomp_repair.h: seccomp.sh $(PASST_REPAIR_SRCS)
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@ ARCH="$(TARGET_ARCH)" CC="$(CC)" ./seccomp.sh seccomp_repair.h $(PASST_REPAIR_SRCS)
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passt: $(PASST_SRCS) $(HEADERS)
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$(CC) $(FLAGS) $(CFLAGS) $(CPPFLAGS) $(PASST_SRCS) -o passt $(LDFLAGS)
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passt.avx2: FLAGS += -Ofast -mavx2 -ftree-vectorize -funroll-loops
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passt.avx2: $(PASST_SRCS) $(HEADERS)
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$(CC) $(filter-out -O2,$(FLAGS)) $(CFLAGS) $(CPPFLAGS) \
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$(PASST_SRCS) -o passt.avx2 $(LDFLAGS)
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passt.avx2: passt
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pasta.avx2 pasta.1 pasta: pasta%: passt%
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ln -sf $< $@
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qrap: $(QRAP_SRCS) passt.h
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$(CC) $(FLAGS) $(CFLAGS) $(CPPFLAGS) -DARCH=\"$(TARGET_ARCH)\" $(QRAP_SRCS) -o qrap $(LDFLAGS)
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passt-repair: $(PASST_REPAIR_SRCS) seccomp_repair.h
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$(CC) $(FLAGS) $(CFLAGS) $(CPPFLAGS) $(PASST_REPAIR_SRCS) -o passt-repair $(LDFLAGS)
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valgrind: EXTRA_SYSCALLS += rt_sigprocmask rt_sigtimedwait rt_sigaction \
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rt_sigreturn getpid gettid kill clock_gettime \
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mmap|mmap2 munmap open unlink gettimeofday futex \
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statx readlink
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valgrind: FLAGS += -g -DVALGRIND
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valgrind: all
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.PHONY: clean
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clean:
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$(RM) $(BIN) *~ *.o seccomp.h seccomp_repair.h pasta.1 \
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passt.tar passt.tar.gz *.deb *.rpm \
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passt.pid README.plain.md
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install: $(BIN) $(MANPAGES) docs
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mkdir -p $(DESTDIR)$(bindir) $(DESTDIR)$(man1dir)
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cp -d $(BIN) $(DESTDIR)$(bindir)
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cp -d $(MANPAGES) $(DESTDIR)$(man1dir)
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mkdir -p $(DESTDIR)$(docdir)
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cp -d README.plain.md $(DESTDIR)$(docdir)/README.md
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cp -d doc/demo.sh $(DESTDIR)$(docdir)
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uninstall:
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$(RM) $(BIN:%=$(DESTDIR)$(prefix)/bin/%)
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$(RM) $(MANPAGES:%=$(DESTDIR)$(man1dir)/%)
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$(RM) $(DESTDIR)$(docdir)/README.md
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$(RM) $(DESTDIR)$(docdir)/demo.sh
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-rmdir $(DESTDIR)$(docdir)
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pkgs: static
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tar cf passt.tar -P --xform 's//\/usr\/bin\//' $(BIN)
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tar rf passt.tar -P --xform 's//\/usr\/share\/man\/man1\//' \
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$(MANPAGES)
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gzip passt.tar
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EMAIL="sbrivio@redhat.com" fakeroot alien --to-deb \
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--description="User-mode networking for VMs and namespaces" \
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-k --version=$(shell git rev-parse --short HEAD) \
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passt.tar.gz
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fakeroot alien --to-rpm --target=$(shell uname -m) \
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--description="User-mode networking for VMs and namespaces" \
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-k --version=g$(shell git rev-parse --short HEAD) passt.tar.gz
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# TODO: This hack makes a "plain" Markdown version of README.md that can be
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# reasonably shipped as documentation file, while the current README.md is
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# definitely intended for web browser consumption. It should probably work the
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# other way around: the web version should be obtained by adding HTML and
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# JavaScript portions to a plain Markdown, instead. However, cgit needs to use
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# a file in the git tree. Find a better way around this.
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docs: README.md
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@( \
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skip=0; \
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while read l; do \
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case $$l in \
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"## Demo") exit 0 ;; \
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"<!"*) ;; \
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"</"*) skip=1 ;; \
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"<"*) skip=2 ;; \
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esac; \
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\
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[ $$skip -eq 0 ] && echo "$$l"; \
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[ $$skip -eq 1 ] && skip=0; \
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done < README.md; \
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) > README.plain.md
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clang-tidy: $(PASST_SRCS) $(HEADERS)
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clang-tidy $(PASST_SRCS) -- $(filter-out -pie,$(FLAGS) $(CFLAGS) $(CPPFLAGS)) \
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-DCLANG_TIDY_58992
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cppcheck: $(PASST_SRCS) $(HEADERS)
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if cppcheck --check-level=exhaustive /dev/null > /dev/null 2>&1; then \
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CPPCHECK_EXHAUSTIVE="--check-level=exhaustive"; \
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else \
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CPPCHECK_EXHAUSTIVE=; \
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fi; \
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cppcheck --std=c11 --error-exitcode=1 --enable=all --force \
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--inconclusive --library=posix --quiet \
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$${CPPCHECK_EXHAUSTIVE} \
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--inline-suppr \
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--suppress=missingIncludeSystem \
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--suppress=unusedStructMember \
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$(filter -D%,$(FLAGS) $(CFLAGS) $(CPPFLAGS)) -D CPPCHECK_6936 \
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$(PASST_SRCS) $(HEADERS)
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